How to Apply for an IL Business Entity

Illinois corporation search by Find-a-Company

The current Secretary of State of Illinois holds responsibility for registering and keeping records on every business. To start a Business Entity, register it with the Secretary of State. Registration information about a Business Entity in Illinois can be found by searching the Illinois Secretary of State.

Another responsibility of the Secretary of State is the dissolution of businesses that are no longer active.


You can find an up-to-date link to the Illinois Business Entity search page here: Illinois Secretary of State

When you have your result, there will usually be several pieces of information about the Business Entity.

  • Recorded Business Entity Name
  • Registration Number
  • Company Status
  • Physical Address in Illinois
  • Agent of Service in Illinois
  • Agent Mailing Address
  • Business Entity Phone Number

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